NDLI: A fast direction predictor of inter frame prediction for multi-view video coding

Content Provider	IEEE Xplore Digital Library
Author	Jheng-Ping Lin Tang, A.C.-W.
Copyright Year	2009
Description	Author affiliation: Department of Communication Engineering, National Central University, Jhongli, Taiwan (Jheng-Ping Lin; Tang, A.C.-W.)
Abstract	Multi-view applications provide viewers a whole new viewing experience, and multi-view video coding (MVC) plays a key role in distributing multi-view video contents through networks with limited bandwidth. However, the computational load of a MVC encoder is pretty heavy so that it is hard to be realized in real-time applications. One reason behind this is that a MVC encoder has to make a decision of prediction direction based on rate-distortion optimization from both motion compensation prediction (MCP) and disparity compensation prediction (DCP) for multiple views. Motivated by this, this paper presents a novel fast MVC algorithm where a fast decision strategy of prediction direction of MCP and DCP is designed. Blocks with slow motion (SMBs) of all pictures in the base view and anchor pictures in enhancement views are identified based on MVs from MCP without additional computations. Then, the identification of SMBs in non-anchor frames of an enhancement view will be inferred from the SMBs of base view or the other coded enhancement views. Finally, the fast algorithm is achieved by applying MCP to SMBs of non-anchor pictures in enhancement views within the same GGOP. Experimental results conducted by JMVM 6.0 show that the average time reduction is 20% while the bitrate increase and PSNR loss are less than 0.25% and 0.0045 dB, respectively.
Starting Page	2589
Ending Page	2592
File Size	985271
Page Count	4
File Format	PDF
ISBN	9781424438273
DOI	10.1109/ISCAS.2009.5118331
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-05-24
Publisher Place	Taiwan
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Video coding Motion compensation Cameras Bandwidth Rate-distortion Algorithm design and analysis Continuous wavelet transforms Computational complexity Motion estimation Geometry
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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